About [[MediaWiki:Apihelp-cxpublish-param-categories/en]]

I believe that the wording of this message is wrong. Categories are not added to pages, it is just the other way round. (Reference to categories are inserted into pages, which may have confused the author)

Purodha Blissenbach (talk)14:00, 27 February 2015

Not acceptable in all languages.

Purodha Blissenbach (talk)11:30, 19 May 2015